11 insiders reported 22 Form 4 transactions for Nautilus Biotechnology, Inc. (NAUT) over the past 18 months (most recent 2026-06-04). Recent activity: HOROWITZ BENJAMIN A (10% Owner) Sell 4.6M shares, AH Bio Fund II, L.P. (10% Owner) Sell 4.6M shares, AH Equity Partners Bio II, L.L.C. (10% Owner) Sell 4.6M shares, Andreessen Horowitz LSV Fund II, L.P. (10% Owner) Sell 4.6M shares, AH Equity Partners LSV II, L.L.C. (10% Owner) Sell 4.6M shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-04 | HOROWITZ BENJAMIN A | 10% Owner | Sell | 4.6M | $10.8M |
| 2026-06-04 | AH Bio Fund II, L.P. | 10% Owner | Sell | 4.6M | $10.8M |
| 2026-06-04 | AH Equity Partners Bio II, L.L.C. | 10% Owner | Sell | 4.6M | $10.8M |
| 2026-06-04 | Andreessen Horowitz LSV Fund II, L.P. | 10% Owner | Sell | 4.6M | $10.8M |
| 2026-06-04 | AH Equity Partners LSV II, L.L.C. | 10% Owner | Sell | 4.6M | $10.8M |
| 2026-06-04 | Andreessen Marc L | 10% Owner | Sell | 384,026 | $902,461 |
| 2026-06-04 | HOROWITZ BENJAMIN A | 10% Owner | Sell | 384,026 | $902,461 |
| 2026-06-04 | AH Bio Fund II, L.P. | 10% Owner | Sell | 384,026 | $902,461 |
| 2026-06-04 | AH Equity Partners Bio II, L.L.C. | 10% Owner | Sell | 384,026 | $902,461 |
| 2026-06-04 | Andreessen Horowitz LSV Fund II, L.P. | 10% Owner | Sell | 384,026 | $902,461 |
| 2026-06-04 | AH Equity Partners LSV II, L.L.C. | 10% Owner | Sell | 384,026 | $902,461 |
| 2026-06-04 | Andreessen Marc L | 10% Owner | Sell | 4.6M | $10.8M |
| 2026-03-04 | Patel Sujal M | CEO, President, and Secretary | Buy | 25,000 | $65,250 |
| 2025-11-10 | Suzuki Kentaro | Chief Marketing Officer | Buy | 4,000 | $5,960 |
| 2025-09-09 | Patel Sujal M | CEO, President, and Secretary | Buy | 116,500 | $78,055 |
| 2025-09-09 | Patel Sujal M | CEO, President, and Secretary | Buy | 83,500 | $56,780 |
| 2025-09-05 | Murphy Matthew B. | General Counsel | Buy | 20,000 | $12,800 |
| 2025-06-02 | Mowry Anna | CFO and Treasurer | Buy | 15,000 | $11,550 |
| 2025-05-12 | Mallick Parag | Chief Scientist | Buy | 12,000 | $8,760 |
| 2025-05-12 | Mallick Parag | Chief Scientist | Buy | 1,500 | $1,095 |
| 2025-03-21 | Patel Sujal M | CEO, President, and Secretary | Buy | 23,933 | $23,933 |
| 2025-03-21 | Patel Sujal M | CEO, President, and Secretary | Buy | 53,300 | $52,767 |
Source: SEC Form 4 filings · as of 2026-06-04